Use the new git-rev-parse "--[no-]flags" in "git diff".
Use the new git-rev-parse "--[no-]flags" in "git diff".

This allows you to do

	git diff v2.6.12..v2.6.13-rc1 drivers/pcmcia

to see the diff between v2.6.12 and v2.6.13-rc1 as limited by the
filename argument.

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git